25135241 has 2 divisors, whose sum is σ = 25135242. Its totient is φ = 25135240.

The previous prime is 25135237. The next prime is 25135259. The reversal of 25135241 is 14253152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14409616 + 10725625 = 3796^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135241 - 2² = 25135237 is a prime.

It is not a weakly prime, because it can be changed into another prime (25135441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567620 + 12567621.

It is an arithmetic number, because the mean of its divisors is an integer number (12567621).

Almost surely, 2^25135241 is an apocalyptic number.

It is an amenable number.

25135241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25135241 is an equidigital number, since it uses as much as digits as its factorization.

25135241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 25135241 is about 5013.5058591768. The cubic root of 25135241 is about 292.9280886784.

Adding to 25135241 its reverse (14253152), we get a palindrome (39388393).

The spelling of 25135241 in words is "twenty-five million, one hundred thirty-five thousand, two hundred forty-one".